Home / 3,243.03-4,475.36-1,983.87

Finding the Fourth Proportional to 3,243.03, 4,475.36 and 1,983.87

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Solution

The fourth proportional to 3,243.03, 4,475.36 and 1,983.87 is: 2,737.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.03 : 4,475.36 = 1,983.87 : x
  2. Step 2: Convert to fraction form
    3,243.03/4,475.36 = 1,983.87/x
  3. Step 3: Cross multiply
    3,243.03x = 4,475.36 × 1,983.87
  4. Step 4: Simplify right side
    3,243.03x = 8,878,522.52
  5. Step 5: Solve for x
    x = 8,878,522.52/3,243.03
  6. Step 6: Final answer
    x = 2,737.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.